Wall lamp



FIG. 1 is a rear elevational view of a wall lamp showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a side elevational view thereof;

The shade is shown in broken lines for illustrative purposes only andforms no part of the claimed design.

The ornamental design for a wall lamp, as shown and described.